export default  {
	"title": '多媒体制作_在线2',
	"testId": '195987',
	"praxiseList": [
		{
			"id": 290748,
			"title": "下面哪些不属于表现媒体( )",
			"options": "[\"显示器\",\"打印机\",\"键盘\",\"软盘\"]",
			"answer": "4",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 290749,
			"title": "媒体有两层含义，一是指( )，二是指存贮和加工、传递信息的实体。",
			"options": "[\"承载信息所使用的符号系统\",\"信息源与信息的接收者之间的中介物\",\"多媒体化、网络化和智能化\",\"现代教学媒体的运用形式\"]",
			"answer": "1",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 290750,
			"title": "计算机中处理的图像、文字和声音属于( )。",
			"options": "[\"感觉媒体\",\"表示媒体\",\"显示媒体\",\"存储媒体\"]",
			"answer": "2",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 290751,
			"title": "多媒体计算机中的显示器属于( )。",
			"options": "[\"感觉媒体\",\"表示媒体\",\"显示媒体\",\"存储媒体\"]",
			"answer": "3",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 290752,
			"title": "一般认为，1984年美国Apple公司提出的( )概念，标志着多媒体技术的诞生。",
			"options": "[\"文本\",\"声音\",\"位图\",\"视频\"]",
			"answer": "3",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 290753,
			"title": "多媒体关键技术的主要发展方向有流媒体技术、( )和虚拟现实技术等。",
			"options": "[\"高端多媒体技术\",\"智能多媒体技术\",\"虚幻多媒体技术\",\"立体多媒体技术\"]",
			"answer": "2",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 290754,
			"title": "下述采样频率中哪种是目前声音卡所支持的标准采样频率",
			"options": "[\"20kHz\",\"22.05kHz\",\"200Hz\",\"48kHz\"]",
			"answer": "4",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 290755,
			"title": "下列软件中，属于音频编辑软件的有",
			"options": "[\"Quick Time\",\"Adobe Audition\",\"Adobe Premiere\",\"Photoshop\"]",
			"answer": "2",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 290756,
			"title": "使用计算机进行录音，必须使用下列哪种设备",
			"options": "[\"声卡\",\"网卡\",\"显卡\",\"光驱\"]",
			"answer": "1",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 290757,
			"title": "创建与编辑选区如果想在现有选择区域的基础上增加选择区域，应按住以下哪个键？",
			"options": "[\"Shift\",\"Alt\",\"Alt+Shift\",\"Ctrl+Shift\"]",
			"answer": "1",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 290758,
			"title": "掌握图层与图层组使用“调整边缘”命令时，如果需要调整边的选区边界的大小，应该设置哪个参数？",
			"options": "[\"平滑\",\"半径\",\"羽化\",\"对比度\"]",
			"answer": "2",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 290759,
			"title": "掌握图层与图层组要在不弹出对话框的情况下，创建一个新的图层，可以按哪个键？",
			"options": "[\"ACtrl+Shift+N\",\"Ctrl+Alt+N\",\"Ctrl+Alt+Shift+N\",\"Ctrl+N\"]",
			"answer": "3",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 290760,
			"title": "PAL制式影片的关键帧速率是（  ）",
			"options": "[\"24fps\",\"25fps\",\"29.97fps\",\"30fps\"]",
			"answer": "2",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 290761,
			"title": "Premiere中，下面哪个选项不是导入素材的方法（  ）",
			"options": "[\"执行“文件”，“导入”或直接使用该菜单的快捷键（Ctrl+I）组合键\",\"在项目窗口中的任意空白位置单击鼠标右键，在弹出的快捷菜单中选择“导入”菜单项\",\"直接在项目窗口中的空白处双击即可\",\"在浏览器中拖入素材\"]",
			"answer": "4",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 290762,
			"title": "在Premiere中，透明度的参数越高，透明度越（  ）",
			"options": "[\"越透明\",\"越不透明\",\"与参数无关\",\"低\"]",
			"answer": "2",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 290763,
			"title": "在Premiere中，使用抠像__背景录制比较容易抠像。",
			"options": "[\"红色\",\"绿色\",\"蓝色\",\"单色\"]",
			"answer": "2",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 290764,
			"title": "要对文本段落应用形状补间，必须将该文本段落分离几次",
			"options": "[\"1\",\"2\",\"3\",\"6\"]",
			"answer": "2",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 290765,
			"title": "Flash CS6的帧频率默认为（ ）",
			"options": "[\"12fps\",\"24fps\",\"25fps\",\"28fps\"]",
			"answer": "2",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 290766,
			"title": "制作Flash动画时，经测试生成的播放文件扩展名是（ ）",
			"options": "[\"MOV\",\"AVI\",\"SWF\",\"FLA\"]",
			"answer": "3",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 290767,
			"title": "以下关于“紧贴至对象”功能描述正确的是（ ）",
			"options": "[\"选择线条，单击紧贴至对象按钮后可以自动闭合图形\",\"紧贴至对象对线条不起作用\",\"该功能是所有工具的附属工具\",\"按下贴紧至对象后，用线条工具绘制线条时，Flash 能够自动捕捉到线条的端点\"]",
			"answer": "4",
			"type": "single",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 290768,
			"title": "超文本和超媒体的主要特征是( )。",
			"options": "[\"、关联性\",\"多媒体化\",\"、网络结构\",\"交互性\"]",
			"answer": "[2,3,4]",
			"type": "muti",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": "[]"
		},
		{
			"id": 290769,
			"title": "衡量数据压缩技术性能的重要指标是( )。",
			"options": "[\"压缩比\",\"算法复杂度\",\"恢复效果\",\"标准化\"]",
			"answer": "[1,2,3]",
			"type": "muti",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": "[]"
		},
		{
			"id": 290770,
			"title": "帧频率为25帧／秒的制式为（ ）。",
			"options": "[\"PAL\",\"RGB\",\"NTSC\",\"SECAM\"]",
			"answer": "[1,4]",
			"type": "muti",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": "[]"
		},
		{
			"id": 290771,
			"title": "光纤传输的优点是（ ）",
			"options": "[\"传输容量大\",\"不怕电磁干扰\",\"具有保密性\",\"传输损耗低\"]",
			"answer": "[1,2,3,4]",
			"type": "muti",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": "[]"
		},
		{
			"id": 290772,
			"title": "下列软件属于音频编辑软件的是（ ）",
			"options": "[\"Authorware\",\"Cooledit\",\"Photoshop\",\"GoldWave\"]",
			"answer": "[2,4]",
			"type": "muti",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": "[]"
		},
		{
			"id": 290773,
			"title": "下列计算机硬件插卡中，属于视频卡的有（ ）",
			"options": "[\"电视卡\",\"电影卡\",\"视频捕捉卡\",\"视频转换卡\"]",
			"answer": "[1,2,3,4]",
			"type": "muti",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": "[]"
		},
		{
			"id": 290774,
			"title": "TTS语音合成系统包括（ ）",
			"options": "[\"文本分析\",\"语音识别\",\"韵率生成\",\"语音合成\"]",
			"answer": "[1,3,4]",
			"type": "muti",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": "[]"
		},
		{
			"id": 290775,
			"title": "目前音频卡具备以下功能( )。",
			"options": "[\"录制和回放数字音频文件\",\"混音\",\"实时解\\/压缩数字音频文件\",\"语音特征识别\"]",
			"answer": "[1,2,3,4]",
			"type": "muti",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": "[]"
		},
		{
			"id": 290776,
			"title": "数码相机和传统相机的不同之处主要在于( )。",
			"options": "[\"取景方式\",\"价格便宜\",\"对拍摄环境要求不高\",\"感光原理与储存介质不同\"]",
			"answer": "[1,4]",
			"type": "muti",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": "[]"
		},
		{
			"id": 290777,
			"title": "多媒体计算机常用的图像有( )。",
			"options": "[\"动态图像\",\"视频\",\"图形\",\"静态图像\"]",
			"answer": "[1,2,3,4]",
			"type": "muti",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": "[]"
		},
		{
			"id": 290778,
			"title": "与黑白图像模式相比，灰度模式图像包含了黑、白两种颜色之间不同深度的灰色信息，每个像素都需要用多个二进制位来记录。",
			"options": "",
			"answer": "1",
			"type": "charge",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 290779,
			"title": "与RGB图像模式相比，灰度模式图像只包含黑、白两种颜色信息，每个像素都需要用一个二进制位来记录，因此所需存储空间较少。",
			"options": "",
			"answer": "-1",
			"type": "charge",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 290780,
			"title": "Flash的导出图形功能可以将整个动画导出为一系列的对应于各帧的不同的图形文件，这些图形文件都有相同的编号。",
			"options": "",
			"answer": "-1",
			"type": "charge",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 290781,
			"title": "Flash2004的导出图形功能可以将整个动画导出为一系列的对应于各帧的不同的图形文件，这些图形文件都有不同的编号。",
			"options": "",
			"answer": "1",
			"type": "charge",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 290782,
			"title": "BMP转换为JPG格式，文件大小基本不变。（",
			"options": "",
			"answer": "-1",
			"type": "charge",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 290783,
			"title": "采用JPEG标准压缩的图像，其图像质量一般都会有损失。（）",
			"options": "",
			"answer": "-1",
			"type": "charge",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 290784,
			"title": "计算机只能加工数字信息，因此，所有的多媒体信息都必须转换成数字信息，再由计算机处理。（ ）",
			"options": "",
			"answer": "1",
			"type": "charge",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 290785,
			"title": "若自己的多媒体作品中部分引用了别人作品的内容，不必考虑版权问题。（ ）",
			"options": "",
			"answer": "-1",
			"type": "charge",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 290786,
			"title": "能播放声音的软件都是声音加工软件。（ ）",
			"options": "",
			"answer": "-1",
			"type": "charge",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		},
		{
			"id": 290787,
			"title": "矢量图形放大后不会降低图形品质。（ ）",
			"options": "",
			"answer": "1",
			"type": "charge",
			"hard": 1,
			"explain": "无",
			"regtime": "2021-12-09 09:56:29",
			"last_time": null,
			"iscorrect": 0,
			"user_answer": ""
		}
	]
}